A point of a letter of the alphabet.

Think not that I am come to destroy the law, or the prophets: I am not come to destroy, but to fulfil. For verily I say unto you, till heaven and earth pass, one jot or one TITTLE shall in no wise pass from the law, till all be fulfilled. ( Matthew 5:17-18 )

Dictionary of Words from the King James Bible. Public Domain. Copy freely.